EP2211001B1 - Schalung zum Giessen von einer Betonmauer, Anordnung von miteinander verknüpften Schalungen - Google Patents

Schalung zum Giessen von einer Betonmauer, Anordnung von miteinander verknüpften Schalungen Download PDF

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Publication number
EP2211001B1
EP2211001B1 EP10151236A EP10151236A EP2211001B1 EP 2211001 B1 EP2211001 B1 EP 2211001B1 EP 10151236 A EP10151236 A EP 10151236A EP 10151236 A EP10151236 A EP 10151236A EP 2211001 B1 EP2211001 B1 EP 2211001B1
Authority
EP
European Patent Office
Prior art keywords
foot
form panel
translation
centering
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10151236A
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English (en)
French (fr)
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EP2211001A1 (de
Inventor
Jacques Buysschaert
Thierry Braud
Patrick Micheneau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sateco SA
Original Assignee
Sateco SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR0950368A external-priority patent/FR2941252B1/fr
Application filed by Sateco SA filed Critical Sateco SA
Publication of EP2211001A1 publication Critical patent/EP2211001A1/de
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Publication of EP2211001B1 publication Critical patent/EP2211001B1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
    • E04G11/10—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements without beams which are mounted during erection of the shuttering to brace or couple the elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G2011/067—Integrated forms comprising shuttering skin, bracing or strutting arrangements, workplatforms and railings

Definitions

  • the present invention relates to a mold molding a concrete veil, of the type comprising at least one foot jack comprising a movable ground support foot EP 1413696 describes such a herehe.
  • Concrete wall molding panels are generally assembled next to one another and on top of one another to form a continuous, continuous flat formwork surface, for example more than four meters in height and / or of width.
  • Each upper side includes centering means relative to the next lower part, and clamping means with the same form.
  • the formwork surfaces of the panels located one above the other are thus aligned vertically with respect to each other accurately.
  • each form includes horizontal centering means and clamping with the sidewall arranged to align horizontally, precisely, the formwork surfaces.
  • the known centering and clamping means comprise a movable screw in translation provided on the lower part of each wall, cooperating with a centralizer having a threaded hole complementary to the screw and provided on the upper part of each wall.
  • the screwing of the screw in the centering device ensures both the centering and the tightening of the panels between them.
  • each board also includes screw jacks each comprising a foot having a bearing surface on the ground.
  • the feet of the foot jacks are movable between a raised position, in which the foot is located above the lower edge of the form surface, and a lowered upward position in which the foot projects downwardly from the rim bottom of the formwork surface.
  • the boards which are arranged on a lower side have their feet in raised position.
  • the lower supports resting on the ground have their feet in lowered position of raising, according to the necessary enhancement relative to the bearing surface of the ground.
  • An object of the invention is to facilitate the assembly of the panels between them.
  • the invention relates to anadohe of the aforementioned type, characterized in that the foot jack comprises centering means of the formwork with respect to a lower form, and vertical clamping means of the form against the lower side.
  • the subject of the invention is also an assembly of at least two moldings of a concrete veil comprising an upper and a lower beaker capable of being assembled one above the other, characterized in that at least one of the banches is as described above.
  • the figure 1 illustrates a molding 2 molding a concrete veil according to the invention.
  • the panel 2 is able to be assembled with an identical lower panel 2A and / or with an identical side panel 2B, to form an assembly 4 (FIG. figure 2 ) of several banches assembled with each other.
  • the formwork 2 comprises a formwork body 6, an assembly system by superposing 8 of boards 2 one above the other, and a lateral assembly system 10 of panels 2 one next to the 'other.
  • the formwork body 6 has a flat formwork surface 12 ( figure 2 ), a plurality of vertical stiffeners 14 ( figure 1 ), and two upper horizontal stiffeners 16 and lower 16 '.
  • the body 6 has a rectangular contour substantially corresponding to the contour of the form surface 12.
  • the body 6 has a flat bottom edge 18, a flat upper edge 20, and two flat side edges 22 joining the lower edge 18 and the upper edge 20 at their ends.
  • the panel 2 is considered in its usual position of use, the lower edge 18 and the upper edge 20 of the panel 2 constituting a reference horizontality, while the lateral edges 22 constitute a reference verticality .
  • the superimposition assembly system 8 comprises two foot cylinders 26.
  • the foot cylinders 26 are spaced apart horizontally and arranged at the lower edge 18 of the body 6 of the panel 2.
  • the lateral assembly system 10 comprises two lateral cylinders 28.
  • the lateral cylinders 28 are vertically spaced apart and arranged at one of the lateral edges 22.
  • the lateral assembly system 10 will be described later.
  • the panel 2 further comprises means 30 for common hydraulic actuation of the foot cylinders 26 and lateral cylinders 28.
  • the foot cylinders 26 are arranged in the respective lower corners of the panel 2, near a respective lateral edge 22.
  • the foot cylinders 26 are identical. Only one of them will be described below.
  • each foot cylinder 26 is housed in a fixed sheath 34 of the shuttering body 6, and comprises a fixed piston 36 and a movable centering and clamping foot 38 forming a cylinder around the piston 36.
  • the foot 38 is movable in translation along a vertical axis A with respect to the body 6 of the panel 2 between a lowered position ( figure 2 ), a raised position ( figure 3 ), and a plurality of intermediate positions, including an intermediate clamping position of the panels 2 against each other.
  • the lowered position corresponds to a setting position of the board 2 on the lower branch 2A, and locking of the foot 38 on the lower branch 2A, while the raised position corresponds to an inactive position of the foot 38 in which the foot 38 is returned to the sheath 34.
  • the foot 38 will be described in more detail later.
  • the sleeve 34 is in the lower horizontal rim 39. It is welded on the stiffener 16 'and on the lower edge 39.
  • the sheath 34 has a substantially tubular shape and extends vertically. It delimits a portion of the lower edge 18 of the body 6 of the panel 2.
  • the sleeve 34 opens, at its lower end 40, opposite a centering bore 42 formed in the lower stiffener 16 'and guiding the foot 38 sliding along the vertical axis A.
  • the centering bore 42 is for this purpose cylindrical axis A and circular section.
  • the sleeve 34 also has, at its upper end 44, a fixing bore 46, of axis A, in which the piston 36 is received and fixedly secured to the sleeve 34.
  • the sheath 34 delimits an internal cylindrical duct 47 of axis A in which the piston 36 and the foot 38 are received.
  • the sleeve 34 and the foot jack 26 comprise complementary locking means 48 for rotation of the foot 38 around its translation axis A.
  • These means 48 comprise a slot 49 for locking the foot 38, provided on the sheath 34, slidably receiving along the axis A a pin 50, secured to the foot 38.
  • the sleeve 34 is also provided with a protective cover 51 of the slot 49.
  • the cover 51 is disposed outside the slot 49 and seals the sheath 34 at the slot 49.
  • the cover 51 has a transparent upper zone 52 for viewing the upper position of the pin 50, and thus of the raised position of the foot 38 of the jack 26.
  • the sheath 34 and in particular the cover 51, surround the foot cylinder 26 in a sealed manner to prevent the penetration of a large quantity of dust along the foot jack 26.
  • the piston 36 comprises a rod 54 received and fixed in the fixing bore 46 of the sleeve 34 and a double-acting piston head 55.
  • the rod 54 defines two actuating fluid supply conduits 56, 58 passing through the fixing bore 46.
  • the head 55 defines two opposite piston surfaces 62, 64. The jack 26 is thus double acting.
  • the foot 38 comprises, meanwhile, a body 70 forming cylinder cylinder around the piston 36, and a base 72 of support to the ground.
  • the body 70 is hermetically closed, at its upper end, by a bottom 73A penetrated with a seal by the rod 54, and closed at its lower end by a bottom 73B.
  • the pin 50 projects radially on the bottom 73A.
  • the body 70 of the foot 38 delimits an inner cylinder surface 73 of axis A in which the piston 36 is slidably mounted along the axis A.
  • the piston 38 provides, with the bore 42 of the stiffener 16 ', the guide in sliding of the foot 38 along the axis A, between the lowered position and the raised position.
  • the supply ducts 56 and 58 respectively open into the chambers 74 and 76.
  • the selective filling of the lifting chamber 74 and of the lowering chamber 76 determines the position of the foot 38 along the axis A.
  • the body 70 of the foot 38 is received in the internal cylindrical conduit 47 of the sheath 34.
  • the body 70 delimits an outer centering surface 80 whose contour has a shape complementary to the centering bore 42 to ensure sliding guidance of the foot 38 along the axis A, relative to the body 6 of the form 2, and this reliably.
  • the centering forces transverse to the axis A exerted on the foot 38 are taken up on the centering bore 42 of the stiffener 16.
  • the outer centering surface 80 is cylindrical. In the illustrated example, its cross section is circular. As a variant, however, the contour of the surface 80 is, for example, triangular, square, rectangular, hexagonal, etc., so as to achieve rotational locking by complementarity of shape with the sheath 34.
  • the lower bottom 73B of the body 70 has a through-locking bore 82 adapted to receive a locking pin 83 provided on the lower wall 2A to lock the foot 38 on the lower wall 2A.
  • the locking bore 82 extends radially to the axis A of the body 70. It passes through the foot 38.
  • the bottom 73B also has a cam follower surface 86 adapted to guide the foot 38 in the centering bore 42 and in the lower section 2A, more particularly in a further centering bore 91 provided on the lower branch 2A.
  • the bore 91 is formed in a reinforcing plate 91 A fixed under the upper stiffener 16 of the lower panel 2A.
  • the cam follower surface 86 is located between the base 72 and the outer centering surface 80. In the example illustrated, it is frustoconical with axis A and converging downwards.
  • the base 72 has a ground bearing surface 92 defining the lower end of the foot jack 26.
  • the lower panel 2A comprises an upper part 93 comprising the upper stiffener 16, the locking pin 83, and the reinforcing plate 91 defining the centering bore 91.
  • the stiffener 16 defines a continuous upper surface of support 100 against a lower surface 102 of the lower stiffener 16 'of the upper panel 2.
  • the support provided is sealed to the flow of concrete.
  • the centering bore 91 is through and opens onto the upper surface 100 defined by the upper stiffener 16.
  • the centering bore 91 defines a centering surface 110 with a vertical axis B cooperating with the outer centering surface 80 of the foot jack 26 to position the foot 38 relative to the body 6 of the bottom panel 2A.
  • the centering surface 110 is complementary in shape to the outer centering surface 80.
  • the upper portion 93 also has a horizontal abutment pin 111 forming a stop for the base 72 and extending across the axis B.
  • the stop axis 111 is fixed relative to the body 6 of the lower panel 2A.
  • the abutment pin 111 holds the foot 38 in a locking position in which the locking pin 83 is movable in the locking bore 82.
  • the locking pin 83 is slidably mounted in two coaxial holes 83A and 83B. the upper part 83, relative to the body 6 of the box 2, along a horizontal axis C perpendicular to the axis B and the formwork surface 12.
  • the pin 83 is thus movable between a locking position of the foot jack 26 , in which the pin 83 is inserted into the locking bore 82 and blocks the translation of the foot 38 along its axis of translation A relative to the lower limb 2A, and a retracted position, in which the foot 38 can be removed from the lower side 2A.
  • the locking pin 83 protrudes out of the casing 2, and has an external actuating handle 112.
  • the spindle 83 comprises an internal rod 114 for penetrating the locking bore 82, extending inside the body of the lower sleeve 2A. Thanks to the abutment pin 111 and the rotational locking means 48 of the foot 38, the pin 83 is insertable in the blind bore 82.
  • the hydraulic actuating means 30 comprise a single hand pump 118, disposed on the body 6 of the upper casing 2, and connected to the ducts 56 and 58 for simultaneous actuation of the foot cylinders 26.
  • the lateral joining system 10 will now be described.
  • the lateral cylinders 28 are illustrated in more detail on the Figures 4 to 6 . They are identical.
  • Each lateral assembly cylinder 28 is configured to clamp the panels 2, 2B towards each other and to center the panels 2, 2B relative to each other.
  • the lateral cylinders 28, which are, in the illustrated example, provided on the left side of the panel 2 (with reference to FIG. figure 1 ), are adapted to receive a locking pin 122 secured to the other board 2B.
  • a centralizer 124 is arranged on the jack 28 so that a pull of the jack on the pin 122 ensures the insertion of the centering device 124 into two orifices or sleeves 126, 126B respectively for centering the two panels 2, 2B, up to a centered configuration of the panels 2, 2B in which the centering orifices 126, 126B are coaxial.
  • Each cylinder 28 comprises a body 128 and a rod 130 for clamping the two panels 2, 2B towards one another.
  • the rod 130 is provided for this purpose with a locking head 132 having a hole 134 for receiving the pin 122.
  • the locking head 132 is screwed to the "distal" end of the rod 130.
  • the clamping rod 130 is movable in translation along its axis D relative to the body 128 so as to clamp the panels 2, 2B towards one another.
  • the jack 28 is hooked to the box by a ring 131 threaded on the rod 130 between the centralizer 124 and the body 128, the ring 131 being hinged to a hook 131 'slidably mounted relative to the formwork body 6 along a parallel axis at the lower edge 18.
  • the cylinder 28 is thus “captive”.
  • the cylinder 28 according to the invention also has the particularity of being both screw and hydraulic.
  • the jack 28 comprises a tightening nut 136 screwed onto the rod 130 to move the rod 130 along the axis D with respect to the body 128, and comprises a piston 138 for hydraulic actuation of the rod 130.
  • the nut 136 is screwed onto a threaded portion 140 of the rod 130, at its "proximal" end.
  • the nut 136 is arranged outside the body 128.
  • the nut 136 has a bearing surface 142 on the body 128 to block the translation of the nut 136 and thus move the rod 128 in translation along the axis D when screwing the nut 136 in a direction determined.
  • the piston 138 is integral with the rod 130.
  • the body 128 defines an internal cylinder 144 of axis D forming with the piston 138 a chamber 146 for hydraulic actuation.
  • the body 128 is threaded onto the rod 130 along the axis D, sealingly to the actuating fluid.
  • the body 128 comprises at each of its ends a respective ring 147A, 147B.
  • the proximal ring 147A has a through hole 147A 'of the threaded portion 140 of the stem 130.
  • the proximal ring 147A is provided, within the port 147A', with a dirt holding member 147A " of the rod 130.
  • the distal ring 147B has a hole 147B 'for guiding the smooth part of the rod 130.
  • the distal ring 147B is provided, inside the orifice 147B', with a seal 147B "ensuring the sealing to the operating fluid of the chamber 146.
  • the chamber 146 is connected to the hydraulic actuation means 30 common to the foot cylinders 26.
  • the body 128 delimits indeed an actuating fluid supply conduit 146A opening on the chamber 146 and connected to the hand pump 118.
  • the pump 118 supplies, for example simultaneously, the chambers 146 of the two lateral cylinders 28.
  • the filling of the chamber 146 with the fluid moves the piston 138 and the rod 130 along the axis D relative to the body 128, towards the inside of the body 2.
  • the cylinder 28 is single-acting.
  • the filling of the chamber 146 moves the rod 130 in the same direction as the screwing of the nut 136, namely the clamping direction of the panels 2, 2B.
  • the centering is obtained by the penetration of the centralizer 124 in the two orifices 126, 126B corresponding.
  • the centering device 124 is threaded onto the rod 130 along the axis D. It is retained along the axis D on one side by the body 128 with the interposition of the ring 131, and on the other side by the locking head 132.
  • the tightening of the clamping rod 130 brings the head 132 closer to the body 128, and wedges the centralizer 124 between the head 132 and the ring 131.
  • the centralizer 124 is wedged between the head 132 and the body 128.
  • the centralizer 124 has two centering cylindrical surfaces 148, 148B of complementary shapes of the respective centering orifices 126, 126B.
  • the centraliser 124 has a convergent shape contour along the D axis toward the lock head 132, i.e. towards the proximal end of the stem 130, for easier penetration through the bores 126. , 126B.
  • the most distal surface 148B has a diameter smaller than the diameter of the other centering surface 148.
  • the centering surfaces 148, 148B are coaxial, so that the clamping of the rod 130 and the insertion of the centering device 124 into the resulting orifices 126, 126B provide a coaxial alignment of the centering orifices 126, 126B.
  • the latter are previously arranged horizontally on the ground, but the orientations are considered with respect to the vertical position of the board, illustrated on the figure 2 .
  • the feet 38 of the foot cylinders 26 are previously moved to their lowered position by the operation of the hand pump 118. In the lowered position, the foot 38 passes through the centering bore 42 and projects downwardly through relative to the lower edge 18 of the panel 2.
  • each foot cylinder 26 When lowering the upper branch to the lower branch, the base 72 of each foot cylinder 26 penetrates the corresponding centering bore 91 of the lower branch 2, and abuts against the abutment axis 111, as illustrated on the figure 2 .
  • the spacing between the two panels 2 is then for example between 0 and 20 mm, advantageously about 15 mm.
  • the locking pin 83 is then inserted into the locking bore 82.
  • the foot 38 is thus fixed rigidly, removably, on the lower wall 2.
  • the panel 2 and the lower panel 2A are placed against each other along their lower edge 18 and upper 20 respectively.
  • the upper and lower panels 2, 2A together define a continuous formwork surface 12.
  • the lateral edges 22 of the two panels 2, 2A are aligned.
  • the panels 2, 2A delimit a continuous formwork surface having a width and / or a height greater than or equal to 4 m.
  • the form surface 12 of each panel 2 has, for example, a width of between 2m and 3m, and a height of between 2.5m and 3.2m.
  • the jack 28 Prior to assembly, the jack 28 is in its position of the Figure 4 .
  • the rod 130 is at the end of stroke relative to the body 128, on the proximal side.
  • the operator moves the cylinder 28 to the distal side, that is to say to the other side 2B.
  • the displacement of the jack 28 is allowed by the sliding of the hook 131 'to the left ( Figure 5 ).
  • the centering device 124 passes through the centering orifice 126 and the locking head 132 enters the opposite orifice 126B of the other panel 2B.
  • a last step ( Figure 7 ) the operator actuates the pump 118 so as to fill the chamber 146 and move the rod 130 towards its distal end.
  • the displacement of the rod 130 is obtained by screwing the nut 136 against the body 128.
  • the displacement of the rod 130 blocks, in a first step, the translation of the body 128 in the opposite direction.
  • the body 128 is in fact bearing against the ring 131, itself bearing against the periphery of the centering orifice 126.
  • the two panels 2, 2B are clamped against each other and the centering device 124 inserted into the corresponding centering orifices 126, 126B so that the orifices 126 and 126B are coaxial.
  • the centerings made by the two lateral cylinders 28 ensure the centering of the two panels 2, 2B relative to each other, that is to say in particular the approximation of the edges 22 opposite contiguously and the alignment of the lower edges 18 and upper 20 respectively.
  • the panels 2, 2A, 2B delimit a continuous formwork surface having a width and / or height greater than or equal to 4 m.
  • the panels according to the invention have the advantage of allowing rapid assembly of the panels 2 between them.
  • the manufacturing cost is relatively low.
  • the foot jack 26 combines the raising functions of the panel 2 relative to the ground and the centering and clamping functions against a lower panel 2A. It is thus unnecessary to provide centralizers in addition to the foot cylinders 26.
  • the choice of having a fixed piston 36 and a movable cylinder body 70 limits the bulk of the foot jack 26 for the same centering surface.
  • the piston 36 is integral with the foot 38, the cylinder being secured to the sleeve.
  • the hydraulic actuation of the cylinders 28 facilitates the horizontal assembly of two boards 2 next to each other.
  • the time required for this assembly is reduced, compared to screw jacks without hydraulic actuation.
  • the screw jack function of the side cylinder 28 allows to actuate it in case of hydraulic failure. Its reliability is thus guaranteed.
  • the board 2 comprises in addition centering 152 specific to another type of board 2, so as to ensure compatibility with this other type of board 2.
  • centering screws 154 movably mounted in translation in a sleeve 155 fixed to the body 6 of the panel 2.
  • the translation direction E of the screws 154 is vertical and corresponds to the axis screws 154.
  • Each centering screw 154 is movable in the direction E between a high storage positon, and a low screwing position in the centraliser 152 provided on the upper part 93 of the lower panel 2A.
  • the nut 156 holds the screw 154 in its high storage position when the screw is screwed into the nut 156.
  • the sheath 155 is attached at its lower end to the lower stiffener 16 '.
  • the sheath 155 opens, at its lower end, a through bore 158 centering formed in the stiffener 16 '.
  • the bore 158 is complementary contour of the centraliser 152.
  • the bore 158 is coaxial with the screw 154 and receives the screw 154 in the low position.
  • the upper part 93 of the lower panel 2A comprises a reinforcing plate 160 arranged under the upper stiffener 16 and provided with a second centering bore 162, through, and complementary contour of the centralizer 152.
  • the centralizer 152 is able to align the two centering bores 158 and 162 and comprises for this purpose two stepped centering portions each penetrating a respective bore 158, 162, the centering portions having a complementary contour to the associated bore.
  • the centralizer 152 delimits an internal thread 152A and forms a nut with the screw 154. It is thus movable by rotation of the screw 154, between a low position set back from the centering bores 158, 162, and a high position in which the centralizer 152 enters the two bores 158 and 162 and aligns them as well.
  • the centraliser 152 is locked in rotation around the axis of its internal threading to allow its screwing with the screw 154. This locking in rotation is provided by two flats 163 bearing on the form surface 12 and the body 6 of box 2A.
  • the screw 154 is provided with a stop collar 164 adapted to bear on the sleeve 155, more particularly on the nut 156 disposed at the upper end of the sleeve 155, while that the centralizer 152 is provided with an enlarged abutment base 166 capable of resting on the reinforcing plate 160 to tighten the side panels towards one another.
  • the base 166 of the centraliser 152 also serves as a stop for the centraliser 152 in its lower position by pressing on a horizontal abutment axis 168 secured to the body 6 of the lower formwork 2A.
  • the screw 154 Before assembly of the panels 2, the screw 154 is initially in its high storage position, in the fixed nut 156.
  • the centralizer 152 is in its low position, bearing against the horizontal axis 168, and set back from the upper edge 20.
  • the screw 154 is screwed to its lower position. It comes out of the nut 156, down into the sheath 155, and is screwed into the centralizer 152 nut. Once the flange 164 bears on the nut 156 of the sleeve 155, the rotation of the screw 154 moves the centralizer 152 upwards, namely towards its insertion position in the two centering bores 158 and 162.
  • the disassembly is of course achieved by unscrewing the screw of the centering device 152, translation upwards in the sleeve 155, then screwing upwards in the nut 156 holding in the high position.
  • the centraliser 152 Once released from the screw 154, the centraliser 152 returns to its low position by the action of gravity.
  • the upper portion 93 of the panel 2 is also provided with the centralizers 152 so as to be assembled below a panel provided with screws 154.
  • FIGS. 9 and 10 illustrate a second embodiment of the Figures 1 to 7 , in which only the differences with respect to the Figures 1 to 7 will be described below, and on which like reference numerals designate like elements.
  • the foot jack 26 differs essentially from the foot jack of the figures 2 and 3 in that it is to screw.
  • the foot jack 26 comprises a threaded actuating rod 160 screwed along the axis A in a nut 162 integral with the sleeve 34.
  • the rod 160 is linked in translation to the foot 38 along the axis A and thus moves the foot 38.
  • the rod 160 is received freely in rotation and fixed in translation in a cage 164 formed by the foot 38.
  • the rod 160 has for this purpose a connecting head 166 of complementary shape of the cage 164.
  • the rod 160 comprises, outside the sheath 34, an operating head 168 for rotating the rod 160 by means of a tool.
  • Screwing and unscrewing the shaft 160 moves the foot 38 along its axis A between its lowered position and its raised position.
  • the foot jack Figures 9 and 10 has the advantage of high reliability and a relatively low manufacturing cost.
  • FIGS 11 to 16 illustrate a third embodiment of the foot jack, in which only the differences with respect to the foot jack of the Figures 9 and 10 will be described below and to which like reference numerals designate like elements.
  • the foot jack 26 according to the third embodiment essentially differs in that it comprises a centralizer 170 screwed onto the foot 38.
  • the centralizer 170 is mounted to move in translation relative to the foot 38 so that the foot 38, and in particular the base 72, can be inserted into the lower branch 2A and locked in translation in the lower section. 2A before insertion of the centering device 170 into the centering hole 91.
  • the foot 38 more particularly comprises a threaded rod 160 slidably received in the sleeve 34 along its axis A.
  • the rod 160 is, in the illustrated example, guided in sliding manner by a ring 174 fixed to the upper end 34B of the sleeve 34.
  • the rod 160 passes through the ring 174.
  • the centralizer 170 is a nut screwed onto the rod 160 along the axis A. The screwing and unscrewing of the rod 160 thus displaces the centraliser 170 in translation along the axis A with respect to the rod 160.
  • the centralizer 170 is freely mounted in translation along its axis A in the sleeve 34. It is locked in translation upwards by the ring 174, in a retracted position inside the sleeve 34 ( Figures 11 to 13 ) and locked in translation downwards by an internal shoulder 180 of the sheath 34, in a centering position ( figures 15 and 16 ).
  • the centralizer 170 is further locked in rotation in the sleeve 34, for example by complementarity of shape, for example hexagonal.
  • the centralizer 170 comprises for this purpose a rotational locking head 175, projecting radially through relative to the lower part of the centralizer 170, and housed in the sleeve 34.
  • the rotational locking is, however, alternatively obtained by other means of any suitable type. Because of this locking in rotation, the screwing and unscrewing of the rod 160 in the centralizer 170 ensures the translation of the rod 160 relative to the centralizer 170.
  • the direction of the pitch of the thread is, in the example shown, chosen so that the screwing of the rod 160 ensures the translation of the rod 160 downwards relative to the centralizer 170, and that the unscrewing of the rod 160 ensures the translation of the rod 160 upwards with respect to the centralizer 170.
  • the lower part of the centralizer 170 is provided to penetrate the bores 42 and 91 of centering and thus achieve the centering of the panels 2 and 2A relative to each other.
  • the outer surface of the lower part of the centralizer 170 is thus preferably selected cylindrical, for example circular, and of complementary shape to the bores 42 and 91.
  • the rod 160 is retained in translation along the axis A by an elastomer member 177 acting radially on the foot 38.
  • the elastomeric member 177 is arranged to press the rod 160 along part of its periphery. It has a shape of any type suitable for a radial support on the rod 160, for example a rectangular parallelepiped shape.
  • a screw 178 presses on the elastomer member 177 and thus allows, by more or less deforming the member 177, the adjustment of the friction generated by the elastomer member 177 on the foot 38.
  • the elastomeric member 177 is provided to provide sufficient friction against the action of gravity on the foot 38 and thus ensures the maintenance of the foot 38 in the raised position.
  • the translation force transmitted to the rod 160 by the centralizer 170 must be greater than the friction force applied by the elastomer member 177.
  • the tightening torque must thus be greater than a predetermined value. to ensure the relative displacement of the rod 160 and the centralizer 170.
  • the rod 160 is provided, at its upper end 160B, with an operating head 168 projecting outside the sleeve 34.
  • the friction means are provided by a member of any suitable type, for example metallic.
  • the screw 178 is replaced by a compression means of any type adapted to act on the elastomeric member 177.
  • the ground support base 72 is mounted captive and crazy at the lower end 160A of the rod 160. In a general manner, the base 72 is mounted integral in translation and free in rotation about the axis A relative to the rod 160.
  • the base 72 is mounted integral with the rod 160.
  • the foot jack 26 according to the third embodiment also differs essentially in that the blocking in translation along the axis B in the lower panel 2A is formed by a fork 190 provided for gripping the foot 38 between its branches 192 ( see figure 12 bis).
  • the fork 190 is movable between a position of insertion and withdrawal of the foot 38 ( Figures 12a and 13bis ), in which the foot 38 can be inserted freely into the lower wall 2A, and a locking position, in which the fork 190 holds the translation of the foot 38 upwards along the axis B relative to the body 6 of the wall lower 2A ( Figures 14 to 15 ).
  • the base 72 forms a shoulder 193 against the branches 192.
  • the fork 190 can be replaced by a retaining member of any suitable type cooperating with the shoulder 193.
  • the branches 192 preferably each grind a cam surface 192A cooperating with the rod 160 to guide the rod 160 between the two branches 192 (see FIG. figures 13a and 14 bis).
  • the fork 190 is, in a similar manner to the locking pin 83, mounted to move in translation in a radial direction C to the rod 160.
  • the fork 190 is, in the illustrated example, resiliently biased by a spring 194 towards the rod 160.
  • the fork 190 comprises for example a plate 196 forming the two branches 192 and delimiting between them a slot 197 whose width is substantially equal to the diameter of the rod 160.
  • the fork 190 also comprises a rod 198 slidably mounted in the body 6 of the lower panel 2A and integrally connected to the plate 196.
  • the plate 196 is housed inside the shuttering body 6 while the rod 198 is received through the body 6 and protrudes outside the body 6, so as to enable the fork 190 to be actuated by a operator, for example by means of a handle attached to the rod 198.
  • the figure 11 illustrates the foot 38 and the centralizer 170 of each of the two foot cylinders 26 in their respective raised positions.
  • the upper side 2 is close to the lower side 2A.
  • the panels 2 and 2A are for example arranged flat on the floor.
  • the centraliser 170 being in the raised position, locked in abutment against the ring 174, its translation relative to the body 6 is prevented. As a result, the foot 38 is displaced in translation relative to the body 6 towards and to the lowered position of the figure 13 .
  • the fork 190 has been moved to its position of insertion and withdrawal of the foot illustrated on the Figures 12a and 13bis by actuating the rod 198.
  • the rod 198 is, once the foot 38 introduced, released by the operator and the fork 190 moved by the spring 194 in its locking position of the foot 38 ( Figures 14 and 14bis ).
  • the fork 190 being fixed in translation along the axis B, the fork 190 blocks the translation of the foot 38 upwardly relative to the body 6 of the lower panel 2B.
  • the foot jack 26 according to the third embodiment thus has the particular advantage of allowing the locking of the foot 38 prior to the centering of the panels 2 and 2A. As a result, the spacing forces of the panels resulting from the penetration of the centering device 170 into the lower panel 2A are counteracted by the blocking of the foot 38 in the lower panels 2A.
  • the assembly instructions are also particularly simple for the operator because the foot jack 26 can be configured so that the operator must first screw the foot 38 fully and then unscrew the foot 38 to a predetermined torque Clamping.
  • the crazy assembly of the base 72 reduces the friction forces on the ground and against the fork 190.
  • the elastomer member 177 is particularly simple to manufacture and facilitates the actuation of the jack 26. It also allows more tolerance than to provide a thread in the ring 174 to retain the foot 38.
  • the fork 190 ensures, particularly thanks to the cams 192A, easy movement to its locking position. Unlike the locking pin 83, the fork 190 does not require precise positioning of the foot 38 relative to the fork 190.
  • the foot cylinder 26 according to the third embodiment is hydraulic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Earth Drilling (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Claims (12)

  1. Schalung (2) zum Gießen einer Betonmauer, umfassend mindestens einen Stützfuß (26), umfassend einen beweglichen Fuß (38) zum Stützen auf dem Boden,
    dadurch gekennzeichnet, dass der Stützfuß (26) Mittel zur Zentrierung (80, 42, 91; 170) der Schalung (2) bezüglich einer unteren Schalung (2A) und Mittel zur vertikalen Spannung (82) der Schalung (2A) gegen die untere Schalung (2A) umfasst.
  2. Schalung (2) nach Anspruch 1, wobei der Fuß (38) bezüglich des Körpers (6) der Schalung (2) entlang einer Translationsachse (A) zwischen einer abgesenkten Position, einer erhöhten Position und einer Zwischenposition der Spannung der Schalung (2) gegen die untere Schalung (2A) translatorisch beweglich ist.
  3. Schalung (2) nach Anspruch 2, wobei die Mittel zur Zentrierung eine Zentriervorrichtung (170) umfassen, die tanslatorisch beweglich bezüglich des Fußes (38) entlang der Translationsachse (A) montiert ist.
  4. Schalung (2) nach Anspruch 3, wobei die Zentriervorrichtung (170) auf den Fuß (38) geschraubt und somit bezüglich des Fußes (38) entlang der Translationsachse (A) translatorisch beweglich ist.
  5. Schalung (2) nach Anspruch 4, wobei der Stützfuß (26) Mittel (34) zur Rotationsblockierung der Zentriervorrichtung (170) um die Rotationsachse (A) und bezüglich des Körpers (6) der Schalung (2) aufweist.
  6. Schalung (2) nach Anspruch 4 oder 5, wobei die Zentriervorrichtung (170) und der Fuß (38) so konfiguriert sind, dass die Rotation des Fußes (38) in einer ersten Richtung den Fuß (38) aus der erhöhten Position (170) in die und bis zur abgesenkte(n) Position verschiebt, und dadurch, dass die Rotation des Fußes (38) in einer zweiten entgegengesetzten Richtung die Verschiebung der Zentriervorrichtung (170) bis in eine abgesenkte Position der Einführung in eine Zentrieröffnung (91) der unteren Schalung (2A) sicherstellt.
  7. Schalung (2) nach Anspruch 6, wobei die Zentriervorrichtung (170) und der Fuß (38) ebenfalls so konfiguriert sind, dass, nachdem sich die Zentriervorrichtung (170) in der abgesenkten Position befindet, eine zusätzliche Rotation des Fußes (38) in der zweiten Richtung die translatorische Verschiebung des Fußes (38) entlang der Translationsachse (A) bezüglich des Körpers (6) der Schalung (2) in die erhöhte Position und bis in die Zwischen-Spannungsposition sicherstellt.
  8. Schalung (2) nach einem der Ansprüche 3 bis 7, wobei der Fuß (38) herausziehbar in der Translationsrichtung (A) bezüglich des Körpers (6) der Schalung (2) montiert ist.
  9. Schalung (2) nach Anspruch 8 zusammen mit Anspruch 4, wobei der Stützfuß (26) Mittel zur Reibung (178) gegen den Fuß (38) umfasst, um den Fuß (38) in der erhöhten Position, entgegen der Schwerkraft, zu halten, und gleichzeitig ermöglicht, den Fuß (38) über ein vorbestimmtes Schraubdrehmoment des Fußes (38) hinaus in die Zentriervorrichtung (170) zu verschieben.
  10. Schalung (2) nach einem der vorhergehenden Ansprüche, wobei die Schalung (2) Rückhaltemittel (190) umfasst, um zu ermöglichen, dass der Rückzug des Fußes (38) aus einer oberen Verschalung verhindert wird, nachdem der Fuß (38) in die Schalung (2) eingeführt wurde.
  11. Schalung (2) nach Anspruch 10, wobei die Rückhaltemittel ein Anschlagorgan (190) umfassen, das translatorisch beweglich in einer radialen Richtung (C) zur Einführungsrichtung des Fußes (38) montiert ist, wobei das Anschlagorgan (190) mit einem Vorsprung (193) des Fußes (38) zusammenarbeitet, um den Fuß (38) zurückzuhalten.
  12. Einheit (14) von mindestens zwei Schalungen (2) zum Gießen einer Betonmauer, umfassend eine obere Schalung (2) und eine untere Schalung (2A), dazu geeignet, die eine über der anderen zusammengebaut zu werden, dadurch gekennzeichnet, dass mindestens eine der Schalungen (2, 2A) nach einem der vorhergehenden Ansprüche ist.
EP10151236A 2009-01-21 2010-01-20 Schalung zum Giessen von einer Betonmauer, Anordnung von miteinander verknüpften Schalungen Active EP2211001B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0950368A FR2941252B1 (fr) 2009-01-21 2009-01-21 Banche de moulage d'un voile en beton, ensemble de banches assemblees entre elles.
FR0952467A FR2941253B1 (fr) 2009-01-21 2009-04-15 Banche de moulage d'un voile en beton, ensemble de banches assemblees entre elles.

Publications (2)

Publication Number Publication Date
EP2211001A1 EP2211001A1 (de) 2010-07-28
EP2211001B1 true EP2211001B1 (de) 2011-08-24

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Application Number Title Priority Date Filing Date
EP10151236A Active EP2211001B1 (de) 2009-01-21 2010-01-20 Schalung zum Giessen von einer Betonmauer, Anordnung von miteinander verknüpften Schalungen

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Country Link
EP (1) EP2211001B1 (de)
AT (1) ATE521766T1 (de)
FR (1) FR2941253B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3010723B1 (fr) * 2013-09-13 2017-04-07 Sateco Sa Banche de coffrage comportant un element de support pour un coffrage auxiliaire
FR3016382B1 (fr) * 2014-01-14 2020-03-27 Outinord St Amand Banche de coffrage.
FR3044337B1 (fr) * 2015-11-30 2019-06-28 Sateco Banche comprenant un dispositif de confirmation en rive, ensemble de deux banches et procede d'assemblage
FR3074205B1 (fr) * 2017-11-24 2023-02-10 Outinord St Amand Banche, ensemble de banches et procede d'assemblage
FR3118780B1 (fr) * 2021-01-14 2023-09-29 Sateco Sa Banche comprenant au moins un dispositif de liaison en rive, ensemble de deux banches et procédé de liaison

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1413696A1 (de) * 2002-10-24 2004-04-28 Hussor S.A. Schalung in Verbundmaterial
FR2913999B1 (fr) * 2007-03-19 2010-12-10 Hussor Dispositif de superposition de banches

Also Published As

Publication number Publication date
FR2941253A1 (fr) 2010-07-23
FR2941253B1 (fr) 2011-02-18
EP2211001A1 (de) 2010-07-28
ATE521766T1 (de) 2011-09-15

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